Try on the OX3249-0356 EXTENDER at your local Nationwide Vision location. These black designer eyeglasses from Oakley Rx are perfect for focusing at work or relaxing at home. Made from metal, these eyeglasses feature a design and can help you see clearly with prescription lenses. At Nationwide Vision, we can build a complete pair of Oakley Rx OX3249-0356 EXTENDER just for you, with custom lenses designed for your vision needs.